Massage roller ball



FIG. 1 is a front elevational view of a massage roller ball showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a perspective view thereof;

FIG. 6 is a perspective view of a second embodiment of the massage roller ball of FIG. 1;

FIG. 7 is a front elevational view the second embodiment of FIG. 6;

FIG. 8 is a top plan view of the second embodiment FIG. 6;

FIG. 9 is a bottom plan view of the second embodiment FIG. 6; and,

FIG. 10 is a side elevational view of the second embodiment FIG. 6.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

I claim the ornamental design for a massage roller ball, as shown and described. 